Researchers in Japan have developed a computerized camera to be worn as a pair of eyeglasses for dieters. The camera makes a cookie appear to be larger than it really is while not affecting the apparent size of other objects, including the dieter’s hand. The dieter’s brain perceives that he is eating a larger cookie, and, on the average, the dieter will feel satiated eating 10% less cookies that he would without the glasses. The reverse also applies. If the cookies are made to appear smaller, the eater will consume 25% more of them.
The camera, in conjunction with the controlled release of aromas, can also be used to make a tasteless and disgusting, albeit healthy, rice biscuit appear to be an Oreo or other chocolatey delight and thus far more appealing to the dieter.
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